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Temporal range: late Eocene to the present
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Mirorder: Primatomorpha
Order: Primates
Suborder: Strepsirrhini
Infraorder: Chiromyiformes
Anthony and Coupin, 1931

Chiromyiformes is an infraorder of strepsirrhine primates that includes the aye-aye from Madagascar and its extinct relatives.


Aye-Aye skeleton

The aye-aye is sometimes classified as a member of Lemuriformes, but others treat Chiromyiformes as a separate infraorder, based on their very reduced dental formula.[1] Gunnell et al. (2018) reclassified the putative bat Propotto as a close relative of the aye-aye, as well as assigning the problematic strepsirrhine primate Plesiopithecus to Chiromyiformes.[2]


The molecular clock puts the divergence of Chiromyiformes and Lemuriformes at 50-49 million years ago.[1][3]


  1. ^ a b Birx, James, 2010. 21st Century Anthropology. SAGE Publications.
  2. ^ Gregg F. Gunnell; Doug M. Boyer; Anthony R. Friscia; Steven Heritage; Fredrick Kyalo Manthi; Ellen R. Miller; Hesham M. Sallam; Nancy B. Simmons; Nancy J. Stevens; Erik R. Seiffert (2018). "Fossil lemurs from Egypt and Kenya suggest an African origin for Madagascar's aye-aye". Nature Communications. 9: Article number 3193. doi:10.1038/s41467-018-05648-w.
  3. ^ Springer MS, Meredith RW, Gatesy J, Emerling CA, Park J, Rabosky DL, et al. (2012) Macroevolutionary Dynamics and Historical Biogeography of Primate Diversification Inferred from a Species Supermatrix. PLoS ONE 7(11): e49521.

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